Update setup_current_python.sh

Author: heather999

jupyter-kernels/setup/setup_current_python.sh

@@ -60,6 +60,7 @@ export PYTHONPATH=$PYTHONPATH:$LSST_INST_DIR/$LSST_PYTHON_VER
 if [ -n "$DESCPYTHONUSERBASE" ]; then
     export PYTHONUSERBASE=$DESCPYTHONUSERBASE	
     unset PYTHONUSERSITE
+    export PATH=$PYTHONUSERBASE/bin:$PATH
     export PYTHONPATH="$PYTHONUSERBASE/lib/$DESCPYTHONVER/site-packages:$PYTHONPATH"
     echo "using DESCPYTHONUSERBASE: $DESCPYTHONUSERBASE"
 fi